105.168.239.20
## INTELLIGENCE BRIEFING: 105.168.239.20/32
EXECUTIVE SUMMARY
IP 105.168.239.20 presents as a low-risk residential/infrastructure endpoint located in Luanda, Angola. The address is associated with Nsilu Ferreira (ASN 37119) within the 105.168.0.0/15 afrinic-registered block. Current threat indicators are absent; no known campaigns, blacklisting, or active threat signatures detected. The IP operates with minimal operator risk (0.1304) and shows no persistent malicious behavior across 12 observation cycles.
OWNERSHIP & GEOLOCATION
- ASN: 37119 (Nsilu Ferreira)
- Netname: 105.168.0.0 - 105.169.255.255
- Country: Angola (AO)
- City: Luanda
- RIR: afrinic
- Registration Age: 6,205 days (allocated 2009-07-27)
- BGP Prefix: 105.168.224.0/19
NETWORK ROLE & SERVICES
- Classification: Firewalled / No Services
- Open Ports: None detected
- DNS Resolution: No PTR hostnames; forward resolution inactive
- Hosted Domains: 0
- Email Infrastructure: No SPF/DMARC records detected
- Proxy/VPN/Tor: Negative indicators across all categories
- Cloud/CDN/Hosting: Not identified
THREAT ASSESSMENT
- Overall Risk Score: 25 (Low Risk)
- Provider Score: 0
- Authority Score: 0
- Abuse Confidence: Not elevated
- Blacklist Status: 0 entries (DNSBL listed count: 1, but total lists: 8)
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Campaign Associations: None correlated
NETWORK BEHAVIOR
- Route Stability: Unstable (1 route change in 30-day window)
- AS Path: 34549 → 37119
- MOAS Status: No
- RPKI/IRR: State not reported
- Operator Score: 0.1304 (Minimal)
NEIGHBORHOOD ANALYSIS
- Subnet: 105.168.239.20/24
- Neighbor Count: 0
- Abuse Density: 0
- Risk Distribution: 0 high, 0 medium, 0 low risk neighbors
- Threat Siblings: None identified
- Active Siblings: 0
OBSERVATION HISTORY (12 SIGNALS)
Recent telemetry indicates:
- Ownership stability: No changes observed
- ASN allocation: Long-term stability (6,205+ days)
- BGP activity: Minor fluctuations (1 change in 30 days)
- Threat persistence: 0 days observed
- Persistent malicious activity: Not detected
RELATIONSHIP GRAPH
- Same Network: 105.168.0.0 - 105.169.255.255 (2x network relationship entries)
- Other Entities: No additional relationships to hostnames, organizations, or certificates
ACTIONABLE INTELLIGENCE
SOC Analyst Recommendations:
1. Monitoring: Low-priority monitoring advised due to route instability (1 change/30d). No immediate blocking required.
2. Firewall Rules: No specific blocking recommendations. Standard allow/deny based on organizational policy.
3. Threat Hunting: No active indicators warranting proactive investigation.
4. Baseline: IP exhibits normal characteristics for a residential/infrastructure endpoint in Luanda.
Confidence Level: High
Data Sources: IPDebrief intelligence platform
Last Updated: 2026-07-23
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Nsilu Ferreira |
| ASN | AS37119 |
| Network Name | 105.168.0.0 - 105.169.255.255 |
| CIDR Block | 105.168.0.0/15 |
| RIR | AFRINIC |
| Country | AO |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS37119 |
| Network Prefix | 105.168.224.0/19 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 1 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 23:04:46 UTC |
| Last Seen | 2026-08-26 13:48:01 UTC |
| Profile Built | 2026-08-29 08:10:18 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 105.168.239.20
Who owns the IP address 105.168.239.20?
105.168.239.20 is registered to Nsilu Ferreira. The address falls within the 105.168.0.0/15 network block. Registration is held at AFRINIC.
Where is 105.168.239.20 located?
Geolocation data places 105.168.239.20 in Luanda, Luanda Province, AO. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 105.168.239.20 malicious or safe?
105.168.239.20 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.